US5554830A - Noise-reducing covering for vehicle interior - Google Patents

Noise-reducing covering for vehicle interior Download PDF

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Publication number
US5554830A
US5554830A US08/269,961 US26996194A US5554830A US 5554830 A US5554830 A US 5554830A US 26996194 A US26996194 A US 26996194A US 5554830 A US5554830 A US 5554830A
Authority
US
United States
Prior art keywords
layer
covering
carpet
spongy mass
permeable
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
US08/269,961
Other languages
English (en)
Inventor
Peter Muller
Gunther Wedermann
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Matec Holding AG
Original Assignee
Matec Holding AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Matec Holding AG filed Critical Matec Holding AG
Priority to US08/269,961 priority Critical patent/US5554830A/en
Application granted granted Critical
Publication of US5554830A publication Critical patent/US5554830A/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R13/00—Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
    • B60R13/08—Insulating elements, e.g. for sound insulation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/18—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by features of a layer of foamed material
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/162—Selection of materials
    • G10K11/168—Plural layers of different materials, e.g. sandwiches
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/10—Properties of the layers or laminate having particular acoustical properties
    • B32B2307/102—Insulating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2605/00—Vehicles
    • B32B2605/003—Interior finishings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R13/00—Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
    • B60R13/08—Insulating elements, e.g. for sound insulation
    • B60R13/0815—Acoustic or thermal insulation of passenger compartments
    • B60R13/083—Acoustic or thermal insulation of passenger compartments for fire walls or floors
US08/269,961 1990-07-19 1994-06-30 Noise-reducing covering for vehicle interior Expired - Fee Related US5554830A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US08/269,961 US5554830A (en) 1990-07-19 1994-06-30 Noise-reducing covering for vehicle interior

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
CH2402/90A CH681973A5 (de) 1990-07-19 1990-07-19
CH2402/90 1990-07-19
PCT/CH1991/000137 WO1992001587A1 (de) 1990-07-19 1991-06-24 Geräuschmindernde fahrzeugverkleidung
US84219992A 1992-07-31 1992-07-31
US08/269,961 US5554830A (en) 1990-07-19 1994-06-30 Noise-reducing covering for vehicle interior

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
US84219992A Continuation 1990-07-19 1992-07-31

Publications (1)

Publication Number Publication Date
US5554830A true US5554830A (en) 1996-09-10

Family

ID=4232953

Family Applications (1)

Application Number Title Priority Date Filing Date
US08/269,961 Expired - Fee Related US5554830A (en) 1990-07-19 1994-06-30 Noise-reducing covering for vehicle interior

Country Status (7)

Country Link
US (1) US5554830A (de)
EP (1) EP0493543B1 (de)
JP (1) JPH05504528A (de)
CH (1) CH681973A5 (de)
DE (1) DE59107030D1 (de)
ES (1) ES2080950T3 (de)
WO (1) WO1992001587A1 (de)

Cited By (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6057254A (en) * 1996-01-10 2000-05-02 Wilhelmi Werke Ag Process for manufacture of an acoustic panel and acoustic panel with sandwich construction
US6152259A (en) * 1998-01-30 2000-11-28 Cww-Gerko Akustik Gmbh & Co., Kg Sound deadening laminate
FR2817995A1 (fr) * 2000-12-08 2002-06-14 Cera Complexe d'absorption acoustique
US6528437B1 (en) 1999-11-23 2003-03-04 Milliken & Company Composite fabric for vehicles
US20030062744A1 (en) * 2001-10-02 2003-04-03 Honda Giken Kogyo Kabushiki Kaisha Noise insulation structure
WO2003054315A1 (en) * 2001-12-20 2003-07-03 Collins & Aikman Products Co. Sound attenuating composite articles incorporating scrim material and methods of making same
US20040037995A1 (en) * 2000-09-09 2004-02-26 Norbert Nicolai Floor covering with improved soundproofing properties
US6736442B2 (en) 2001-11-30 2004-05-18 Collins & Aikman Products & Co. Floor coverings for vehicles having integrated air and lighting distribution
US20040154861A1 (en) * 2003-01-24 2004-08-12 Hutchinson Soundproofing panel
US20040180592A1 (en) * 2003-03-12 2004-09-16 Ray Kyle A. Thermoformable acoustic sheet material
US20040180177A1 (en) * 2003-03-12 2004-09-16 Ray Kyle A. Thermoformable acoustic material
US6802389B2 (en) 2001-12-07 2004-10-12 Collins & Aikman Products Co. Multi-density sound attenuating laminates and methods of making same
EP1473706A1 (de) * 2002-01-10 2004-11-03 Hayashi Engineering Inc. Bodenbedeckungsmaterial, stückmatte und anordnungsstruktur dafür
US20050016793A1 (en) * 2001-05-22 2005-01-27 O'regan Desmond Acoustically effective rear parcel shelf
WO2005044630A1 (en) * 2003-10-31 2005-05-19 Dow Global Technologies Inc. Sound insulating system
US20050136212A1 (en) * 2003-12-19 2005-06-23 Lear Corporation Porous interior trim system and method of manufacturing same
US20050148259A1 (en) * 2003-12-30 2005-07-07 Tilton Jeffrey A. Multidensity liner/insulator formed from multidimensional pieces of polymer fiber blanket insulation
US20050150720A1 (en) * 2004-01-12 2005-07-14 Dow Global Technologies Inc. Automotive dash insulators containing viscoelastic foams
US20050211500A1 (en) * 2004-03-26 2005-09-29 Wendt Alan C Fibrous faced ceiling panel
US20060159883A1 (en) * 2003-12-23 2006-07-20 Albert Kallenberg Light multilayer sound-absorbing component, in particular for motor vehicles
US20070031634A1 (en) * 2001-11-26 2007-02-08 Collins & Aikman Products Co. Lightweight Acoustic Automotive Carpet
US20070292675A1 (en) * 2002-09-17 2007-12-20 Hout Penne J Polymeric foam composites that meet factory material 4880 requirements
US20090178882A1 (en) * 2002-06-12 2009-07-16 L.J. Avalon L.L.C. Acoustic panel
US20100018799A1 (en) * 2008-07-24 2010-01-28 Saint-Gobain Weber France Acoustic enhancement device for underlayment of a covering
US20100065368A1 (en) * 2008-09-15 2010-03-18 Vatche Tazian Lightweight, flexible, moldable acoustic barrier and composites including the same
US20100089691A1 (en) * 2008-10-07 2010-04-15 Yamaha Corporation Sound absorbing structure built into luggage compartment of vehicle
US20110048850A1 (en) * 2008-05-05 2011-03-03 Alexander Jonathan H Acoustic composite
US20120003422A1 (en) * 2010-06-30 2012-01-05 Cvg Management Corporation Layered flame-proof material
US20120088073A1 (en) * 2004-08-13 2012-04-12 Stankiewicz Gmbh Method For The Production Of A Sound Insulation Molding With Mass And Spring
US8967329B2 (en) * 2013-05-06 2015-03-03 Hyundai Motor Company Sound absorbing and sound blocking reinforced board for vehicle and method manufacturing the same
US20170081843A1 (en) * 2014-05-15 2017-03-23 Knauf Gips Kg Sound-permeable lining for acoustic plasterboards
US20170240123A1 (en) * 2014-10-20 2017-08-24 Autoneum Management Ag Main floor part for a small utility vehicle
CN110154935A (zh) * 2019-06-12 2019-08-23 奇瑞商用车（安徽）有限公司 车身前围隔音垫及具有其的电动汽车
US10546514B2 (en) * 2016-02-26 2020-01-28 Usg Interiors, Llc Mobile demonstration device for sound-reducing tiles
US20200406803A1 (en) * 2019-06-27 2020-12-31 GM Global Technology Operations LLC Floor carpet with electromagnetic shielding
CN113628605A (zh) * 2021-08-02 2021-11-09 国电投周口燃气热电有限公司 一种燃气轮机现场维修用降噪装置

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US5556847A (en) * 1994-10-27 1996-09-17 Duquesne University Of The Holy Ghost Methods of effecting memory enhancement mediated by steroid sulfatase inhibitors
DE29803674U1 (de) * 1998-03-03 1999-07-15 Faist M Gmbh & Co Kg Schichtstoff
DE19838496A1 (de) * 1998-08-25 2000-03-02 Alstom Lhb Gmbh Schalldämmendes Fußbodenelement für Fahrzeuge, insbesondere Schienenfahrzeuge
JP3718431B2 (ja) * 1998-11-11 2005-11-24 リーター アウトモーティブ （インターナツィオナール） アクティエン ゲゼルシャフト 車両ルーフのライニングおよびその製造方法
DE10044761A1 (de) * 2000-09-09 2002-04-18 Hp Chem Pelzer Res & Dev Ltd Bodenbelag mit hoher geräuschmindernder
DE10152759B4 (de) * 2001-10-29 2006-03-16 Johnson Controls Gmbh Verkleidungselement für den Innenraum eines Fahrzeugs
JP2005001403A (ja) * 2003-06-09 2005-01-06 Hayashi Gijutsu Kenkyusho:Kk 自動車用フロア敷設材
DE102004051957A1 (de) 2004-10-26 2006-04-27 Pelzer Acoustic Products Gmbh Klebeband
JP4394638B2 (ja) * 2005-12-15 2010-01-06 株式会社林技術研究所 自動車用成形敷設内装材
DE102005060710A1 (de) * 2005-12-19 2007-06-21 GM Global Technology Operations, Inc., Detroit Dämpfungsanordnung
FR2900614A1 (fr) * 2006-05-03 2007-11-09 Cera Piece de garnissage et d'insonorisation d'un sol de vehicule automobile comprenant un element de renfort en feutre qui est surmoule
FR2912100B1 (fr) * 2007-02-06 2009-05-08 Cera Panneau de protection acoustique pour vehicule automobile comprenant une couche d'etancheite impregnee
DE102008037143A1 (de) 2008-08-08 2010-02-11 Airbus Deutschland Gmbh Isolationsaufbau zum thermischen und akustischen Isolieren eines Luftfahrzeugs
DE102011077739A1 (de) * 2010-06-18 2011-12-22 Intier Automotive Eybl Gmbh (Ebergassing) & Co. Ohg Innenauskleidung für ein Fahrzeugdach
DE202012101648U1 (de) * 2012-05-04 2013-08-06 Faist Chemtec Gmbh Schalldämpfende Folie
DE102014203333A1 (de) * 2014-02-25 2015-08-27 Bayerische Motoren Werke Aktiengesellschaft Bodenverkleidung für eine Fahrgastzelle eines Kraftfahrzeugs
JP2016020158A (ja) * 2014-07-14 2016-02-04 寿屋フロンテ株式会社 自動車用内装材

Citations (12)

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Publication number Priority date Publication date Assignee Title
DE2006741A1 (de) * 1970-02-14 1971-09-02 Audi NSU Auto Union AG, 7107 Neckars ulm Mehrschichtiges schalldammendes Bau teil fur eine aus Blechpreßteilen zusam mengesetzte Karosserie
US3952126A (en) * 1975-03-20 1976-04-20 Dycks Christian C Resilient carpet padding sheet
DE8121378U1 (de) * 1981-07-21 1982-02-18 Carl Meiser Gmbh & Co Kg, 7470 Albstadt "Rutschfeste flächige Unterlage, insbesondere Kofferraummatte"
EP0104357A1 (de) * 1982-09-25 1984-04-04 Audi Ag Schalldämmungsauskleidung
US4574915A (en) * 1983-12-21 1986-03-11 Dr. Alois Stankiewicz Gmbh Sound barriers
EP0253376A2 (de) * 1986-07-18 1988-01-20 Stankiewicz GmbH Adhäsives Isolationssystem
US4735284A (en) * 1985-03-26 1988-04-05 Dr. Alois Stankiewicz Gmbh Adhesive insulation system
DE8812664U1 (de) * 1988-10-08 1988-11-24 Johann Borgers Gmbh & Co Kg, 4290 Bocholt, De
DE3709080A1 (de) * 1987-03-19 1988-12-15 Pelzer Helmut Mehrschichtiges abdeckelement fuer schwingende flaechen
US4940112A (en) * 1989-06-20 1990-07-10 Neill Justin T O High performance flame and smoke foam-barrier-foam-facing acoustical composite
US4966799A (en) * 1986-09-26 1990-10-30 Matec Holding Ag Noise-reducing structural element
US5088576A (en) * 1988-07-16 1992-02-18 E.A.P. Akustik Gmbh Mass and spring systems for soundproofing

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DE2006741A1 (de) * 1970-02-14 1971-09-02 Audi NSU Auto Union AG, 7107 Neckars ulm Mehrschichtiges schalldammendes Bau teil fur eine aus Blechpreßteilen zusam mengesetzte Karosserie
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DE8121378U1 (de) * 1981-07-21 1982-02-18 Carl Meiser Gmbh & Co Kg, 7470 Albstadt "Rutschfeste flächige Unterlage, insbesondere Kofferraummatte"
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US4735284A (en) * 1985-03-26 1988-04-05 Dr. Alois Stankiewicz Gmbh Adhesive insulation system
EP0253376A2 (de) * 1986-07-18 1988-01-20 Stankiewicz GmbH Adhäsives Isolationssystem
US4825974A (en) * 1986-07-18 1989-05-02 Dr. Alois Stankiewicz Gmbh Adhesive insulation system
US4966799A (en) * 1986-09-26 1990-10-30 Matec Holding Ag Noise-reducing structural element
DE3709080A1 (de) * 1987-03-19 1988-12-15 Pelzer Helmut Mehrschichtiges abdeckelement fuer schwingende flaechen
US5088576A (en) * 1988-07-16 1992-02-18 E.A.P. Akustik Gmbh Mass and spring systems for soundproofing
DE8812664U1 (de) * 1988-10-08 1988-11-24 Johann Borgers Gmbh & Co Kg, 4290 Bocholt, De
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Cited By (59)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6057254A (en) * 1996-01-10 2000-05-02 Wilhelmi Werke Ag Process for manufacture of an acoustic panel and acoustic panel with sandwich construction
US6152259A (en) * 1998-01-30 2000-11-28 Cww-Gerko Akustik Gmbh & Co., Kg Sound deadening laminate
US6528437B1 (en) 1999-11-23 2003-03-04 Milliken & Company Composite fabric for vehicles
US7279214B2 (en) * 2000-09-09 2007-10-09 EEEA Entwicklungsgesellschaft fur Akustik mbH Floor covering having a strong noise-reducing properties
US20040037995A1 (en) * 2000-09-09 2004-02-26 Norbert Nicolai Floor covering with improved soundproofing properties
US20070298215A1 (en) * 2000-09-09 2007-12-27 Hp-Chemie Plelzer Research And Development Ltd. Floor covering having a strong noise-reducing properties
FR2817995A1 (fr) * 2000-12-08 2002-06-14 Cera Complexe d'absorption acoustique
US20050016793A1 (en) * 2001-05-22 2005-01-27 O'regan Desmond Acoustically effective rear parcel shelf
US6983822B2 (en) * 2001-05-22 2006-01-10 Rieter Technologies Ag Sound absorptive protective mat
US20030062744A1 (en) * 2001-10-02 2003-04-03 Honda Giken Kogyo Kabushiki Kaisha Noise insulation structure
US6685250B2 (en) * 2001-10-02 2004-02-03 Honda Giken Kogyo Kabushiki Kaisha Noise insulation structure
JP3537793B2 (ja) 2001-10-02 2004-06-14 本田技研工業株式会社 車両床部の遮音構造
US20070031634A1 (en) * 2001-11-26 2007-02-08 Collins & Aikman Products Co. Lightweight Acoustic Automotive Carpet
US7658984B2 (en) 2001-11-26 2010-02-09 International Automotive Components Group North America, Inc. Lightweight acoustic automotive carpet
US6736442B2 (en) 2001-11-30 2004-05-18 Collins & Aikman Products & Co. Floor coverings for vehicles having integrated air and lighting distribution
US6802389B2 (en) 2001-12-07 2004-10-12 Collins & Aikman Products Co. Multi-density sound attenuating laminates and methods of making same
US20050023080A1 (en) * 2001-12-07 2005-02-03 Graham Tompson Multi-density sound attenuating laminates and methods of making same
US7055649B2 (en) 2001-12-07 2006-06-06 Collins & Aikman Products Co. Multi-density sound attenuating laminates and methods of making same
US6631785B2 (en) * 2001-12-20 2003-10-14 Collins & Aikman Products Co. Sound attenuating composite articles incorporating scrim material and methods of making same
WO2003054315A1 (en) * 2001-12-20 2003-07-03 Collins & Aikman Products Co. Sound attenuating composite articles incorporating scrim material and methods of making same
EP1473706A1 (de) * 2002-01-10 2004-11-03 Hayashi Engineering Inc. Bodenbedeckungsmaterial, stückmatte und anordnungsstruktur dafür
EP1473706A4 (de) * 2002-01-10 2008-03-12 Hayashi Engineering Inc Bodenbedeckungsmaterial, stückmatte und anordnungsstruktur dafür
US20050233106A1 (en) * 2002-01-10 2005-10-20 Hayashi Engineering Inc. Floor laying material, piece mat, and arranging structure thereof
US8739924B2 (en) * 2002-06-12 2014-06-03 LJ Avalon LLC Acoustic panel
US20090178882A1 (en) * 2002-06-12 2009-07-16 L.J. Avalon L.L.C. Acoustic panel
US20070292675A1 (en) * 2002-09-17 2007-12-20 Hout Penne J Polymeric foam composites that meet factory material 4880 requirements
US20040154861A1 (en) * 2003-01-24 2004-08-12 Hutchinson Soundproofing panel
US20040180177A1 (en) * 2003-03-12 2004-09-16 Ray Kyle A. Thermoformable acoustic material
US20040180592A1 (en) * 2003-03-12 2004-09-16 Ray Kyle A. Thermoformable acoustic sheet material
JP2007509816A (ja) * 2003-10-31 2007-04-19 ダウ グローバル テクノロジーズ インコーポレイティド 遮音システム
US20050126848A1 (en) * 2003-10-31 2005-06-16 Dow Global Technologies Inc. Sound insulating system
WO2005044630A1 (en) * 2003-10-31 2005-05-19 Dow Global Technologies Inc. Sound insulating system
US20050136212A1 (en) * 2003-12-19 2005-06-23 Lear Corporation Porous interior trim system and method of manufacturing same
US20060159883A1 (en) * 2003-12-23 2006-07-20 Albert Kallenberg Light multilayer sound-absorbing component, in particular for motor vehicles
US20070243366A1 (en) * 2003-12-30 2007-10-18 Tilton Jeffrey A Multidensity liner/ insulator formed from multidimensional pieces of polymer fiber blanket insulation
US7226879B2 (en) * 2003-12-30 2007-06-05 Owens-Corning Fiberglas Technology Inc. Multidensity liner/insulator formed from multidimensional pieces of polymer fiber blanket insulation
US20050148259A1 (en) * 2003-12-30 2005-07-07 Tilton Jeffrey A. Multidensity liner/insulator formed from multidimensional pieces of polymer fiber blanket insulation
US20050150720A1 (en) * 2004-01-12 2005-07-14 Dow Global Technologies Inc. Automotive dash insulators containing viscoelastic foams
US20050211500A1 (en) * 2004-03-26 2005-09-29 Wendt Alan C Fibrous faced ceiling panel
US20120088073A1 (en) * 2004-08-13 2012-04-12 Stankiewicz Gmbh Method For The Production Of A Sound Insulation Molding With Mass And Spring
US20110048850A1 (en) * 2008-05-05 2011-03-03 Alexander Jonathan H Acoustic composite
US8381872B2 (en) * 2008-05-05 2013-02-26 3M Innovative Properties Company Acoustic composite
US20100018799A1 (en) * 2008-07-24 2010-01-28 Saint-Gobain Weber France Acoustic enhancement device for underlayment of a covering
US8066097B2 (en) * 2008-07-24 2011-11-29 Saint-Gobain Weber France Acoustic enhancement device for underlayment of a covering
US20100065368A1 (en) * 2008-09-15 2010-03-18 Vatche Tazian Lightweight, flexible, moldable acoustic barrier and composites including the same
US8091685B2 (en) * 2008-10-07 2012-01-10 Yamaha Corporation Sound absorbing structure built into luggage compartment of vehicle
US20100089691A1 (en) * 2008-10-07 2010-04-15 Yamaha Corporation Sound absorbing structure built into luggage compartment of vehicle
US8846178B2 (en) * 2010-06-30 2014-09-30 Cvg Management Corporation Layered flame-proof material
US20120003422A1 (en) * 2010-06-30 2012-01-05 Cvg Management Corporation Layered flame-proof material
US8967329B2 (en) * 2013-05-06 2015-03-03 Hyundai Motor Company Sound absorbing and sound blocking reinforced board for vehicle and method manufacturing the same
US20170081843A1 (en) * 2014-05-15 2017-03-23 Knauf Gips Kg Sound-permeable lining for acoustic plasterboards
US10480184B2 (en) * 2014-05-15 2019-11-19 Knauf Gips Kg Sound-permeable lining for acoustic plasterboards
US20170240123A1 (en) * 2014-10-20 2017-08-24 Autoneum Management Ag Main floor part for a small utility vehicle
US10546514B2 (en) * 2016-02-26 2020-01-28 Usg Interiors, Llc Mobile demonstration device for sound-reducing tiles
CN110154935A (zh) * 2019-06-12 2019-08-23 奇瑞商用车（安徽）有限公司 车身前围隔音垫及具有其的电动汽车
CN110154935B (zh) * 2019-06-12 2021-06-01 奇瑞商用车（安徽）有限公司 车身前围隔音垫及具有其的电动汽车
US20200406803A1 (en) * 2019-06-27 2020-12-31 GM Global Technology Operations LLC Floor carpet with electromagnetic shielding
CN113628605A (zh) * 2021-08-02 2021-11-09 国电投周口燃气热电有限公司 一种燃气轮机现场维修用降噪装置
CN113628605B (zh) * 2021-08-02 2024-03-12 国电投周口燃气热电有限公司 一种燃气轮机现场维修用降噪装置

Also Published As

Publication number Publication date
CH681973A5 (de) 1993-06-30
EP0493543B1 (de) 1995-12-06
JPH05504528A (ja) 1993-07-15
WO1992001587A1 (de) 1992-02-06
ES2080950T3 (es) 1996-02-16
DE59107030D1 (de) 1996-01-18
EP0493543A1 (de) 1992-07-08

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